Stroke Symptoms That May Appear 90 Days Before an Attack
Not every headache is a warning sign.
But a specific type can be:
“Thunderclap” headaches
A severe headache that comes on suddenly and feels unlike anything a person has felt before.
Chronic new headaches
Headaches that last for days or weeks and feel different from normal migraines.
These can signal early problems in blood vessels that increase stroke risk.
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